DTU
USR-GPRS232-734 is a new industrial gsm modem which developed by USR IOT in 2016. Maturation software functions, covering mostly conventional application scenarios. Users can realize Serial to Network bidirectional transparent data transmission via simple configuration. Supporting custom registration package, heart beat package. Supporting 2 Socket Connection, and USR cloud join in. industrial gsm modem USR-GPRS232-734 use DC power supply and terminal power supply, supporting 5.0V~36.0V wide voltage power supply. RS485 circuit using electrical isolation scheme, has anti-interference ability, suitable for strong electromagnetic interference environment, such as utility industry.
| Wireless Parameter | |
|---|---|
| Wireless Standard | GSM/GPRS/EDGE |
| Standard Frequency Band | 850/900/1800/1900MHz |
| Transmitted Power | GSM900 class4 (2W) DCS1800 class1 (1W) |
| PRS Terminal Device Class | Class B |
| GPRS Multi-slot Class | GPRS Class 10 |
| GPRS Coding Schemes | CS1 ~ CS4 |
| Antenna Option | SMA interface |
| Hardware Parameter | |
|---|---|
| Data Interface | RS485 level, 5.08*3 terminals |
| Baud Rate | 2400bps - 921600bps |
| Working Voltage | DC 5V~36V |
| Working Current | 59mA ~ 65mA (12V) |
| Operating Temp. | -25° - 85° |
| Storage Temp. | -40° - 125° |
| Size | 82.5 * 86.0 * 24.0 mm |
| RS485 reliability | Electrical Isolation ESD air 15KV Surge 4KV (8/20us) |
| Software Parameter | |
|---|---|
| Wireless Network Type | GSM/GPRS/EDGE |
| Working Mode | Transparent transmission mode, SMS transparent transmission mode & httpsD mode |
| Setting Command | AT+ Command structure |
| Network Protocol | TCP/UDP/DNS/https |
| Max. TCP Connection | 2 |
| User Configuration | Serial AT command, network AT Command, SMS AT Command |
| User Internet Applications | Support custom application software |
| Software Functions | |
|---|---|
| DNS | Support |
| Simple Transparent Transmission Mode | Support TCP Client /UDP Client |
| https protocol transmission | Support |
| SMS transparent transmission | Support |
| Heartbeat Package | Support |
| Class RFC2217 | Support |
| Registration Package Mechanism | Support custom/ICCID/IMEI registration package |
